*Autor a quien debe ser dirigida la correspondenciaRecibido Ago. 18, 2015; Aceptado Oct. 16, 2015; Versión final Dic. 18, 2015, Publicado Abr. 2016 Resumen Se modela la temperatura del aire a 850 milibares para determinar su potencial como indicador de las ondas cálidas en el noroeste de México. El análisis se realizó a nivel de meso-escala pero se enfocó para la ciudad de Mexicali, México. Se identificaron las principales variables que causan la formación de una onda cálida, y se propuso la temperatura del aire a 850 milibares como un indicador de su desarrollo. Esto se hace en función de ocho variables climáticas, utilizando seis algoritmos de inteligencia artificial. La técnica numérica de redes neuronales mostró un mejor desempeño, obteniéndose un coeficiente de regresión de 0.76 con un valor-p de 0.0019. Se concluye que este modelo no lineal es una herramienta prometedora que podría utilizarse en un sistema de alerta de este peligroso fenómeno atmosférico. Palabras clave: onda cálida; temperatura del aire; inteligencia artificial; redes neuronales. Modeling Air Temperatures at 850 milibars: An Indicator Potential of Heatwaves in Northwest Mexico AbstractThe temperatures of atmospheric air at 850 millibars are modeled to determine their potential as an indicator of heat waves in northwest Mexico. The analysis was performed at meso-scale level but focused on the city of Mexicali, Mexico. The main variables that cause the formation of a heat wave are identified, and the modeling of air temperature at 850 milibars as an indicator of its development. This is done considering eight climate variables, using six artificial intelligence algorithms. The numerical technique of artificial neural networks showed a better performance, obtaining a regression coefficient of 0.76 with a pvalue of 0.0019. It is concluded that this non-linear model is a promising tool that could be used in a warning system of this dangerous atmospheric phenomenon.
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